Top "Colormap" questions

A colormap (sometimes referred to as a "color table" or "palette") represents a transformation that maps pixel intensity values to colors.

Change color of 2D plot line depending on 3rd value

I have a data set that looks like this 140400 70.7850 1 140401 70.7923 2 140402 70.7993 3 140403 70.8067 4 140404 70.8139 5 140405 70.8212 3 Where the first column corresponds to time (one second intervals between …

matlab plot colors matlab-figure colormap
How to generate a non-linear colormap/colorbar?

I would like to show a non-uniform colorbar as in the first picture. I have tried the code below. 'mycamp4…

matlab matlab-figure colorbar colormap
Using a colormap for matplotlib line plots

I’d like to employ the reverse Spectral colormap , https://matplotlib.org/examples/color/colormaps_reference.html for a lineplot. …

python matplotlib plot colormap
Add alpha to an existing matplotlib colormap

I'd like to make an overlay of several hexbin plots, but with builtin colormaps only the last one is visible. …

python matplotlib colormap
Heatmap on top of image

I have Images of different objects (Pascal Voc) and I have a probability heatmap. I want to visualize it by …

python matplotlib visualization colorbar colormap
How can I normalize colormap in matplotlib scatter plot?

The matplotlib documentation explain in detail how to normalize colormaps for a pcolormesh, but how can I correctly do it …

python matplotlib colormap
Custom Colormap in Python

I would like to create my own custom colour map in python, I looked into some of the online examples …

python matplotlib colormap
Cyclic colormap without visual distortions for use in phase angle plots?

I'm looking for a good circular/cyclic colormap to represent phase angle information (where the values are restricted to the …

python matplotlib plot colormap
Making a custom colormap using matplotlib in python

I have an image that I'm showing with matplotlib. The image is generated by the following code: import numpy as …

python matplotlib heatmap colorbar colormap
Matlab: Explicitly specifying pie graph slice color

I'm creating a pie graph. pie([a,b,c,d]); Is it possible to explicitly change the color of the …

matlab pie-chart colormap